The Kubota 1573221912 is a genuine OEM piston designed for various Kubota engines. This high-quality piston ensures reliable engine operation and is a direct replacement for original part numbers 15732-21910 and 15732-21911. It features a 76 mm diameter, 77 mm height, and a 20 mm pin diameter with a 58 mm pin length, weighing approximately 0.36 kg. Essential for maintaining engine compression and power in compatible Kubota agricultural and utility machinery.